Files
crtr/Assets/Cryville/Crtr/Config/PVPNumberBase.cs

119 lines
3.4 KiB
C#

using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
namespace Cryville.Crtr.Config {
public abstract class PVPNumberBase : PropertyValuePanel {
[SerializeField]
EventTrigger m_ctn;
[SerializeField]
RectTransform m_handleArea;
[SerializeField]
Image m_handle;
[SerializeField]
Text m_text;
#pragma warning disable IDE0051
protected void Start() {
var ev = new EventTrigger.Entry { eventID = EventTriggerType.InitializePotentialDrag };
ev.callback.AddListener(e => OnInitializePotentialDrag((PointerEventData)e));
m_ctn.triggers.Add(ev);
ev = new EventTrigger.Entry { eventID = EventTriggerType.Drag };
ev.callback.AddListener(e => OnDrag((PointerEventData)e));
m_ctn.triggers.Add(ev);
ev = new EventTrigger.Entry { eventID = EventTriggerType.EndDrag };
ev.callback.AddListener(e => OnEndDrag((PointerEventData)e));
m_ctn.triggers.Add(ev);
ev = new EventTrigger.Entry { eventID = EventTriggerType.PointerClick };
ev.callback.AddListener(e => OnPointerClick((PointerEventData)e));
m_ctn.triggers.Add(ev);
OnIdle();
}
protected override void OnValueUpdated() {
m_text.text = MappedValue.ToString();
}
protected virtual void OnIdle() { }
void Update() {
if (use) {
SetRatio(GetRatioFromPos(pp));
SetValueFromPos(pp);
}
}
void OnRectTransformDimensionsChange() {
m_handleArea.sizeDelta = new Vector2(m_handle.rectTransform.rect.height - m_handle.rectTransform.rect.width, 0);
}
#pragma warning restore IDE0051
Camera cam;
Vector2 pp;
bool use, nouse;
public void OnInitializePotentialDrag(PointerEventData eventData) {
eventData.useDragThreshold = false;
pp = eventData.position;
}
public void OnDrag(PointerEventData eventData) {
if (nouse) return;
cam = eventData.pressEventCamera;
if (!use) {
var delta = eventData.position - pp;
float dx = Mathf.Abs(delta.x), dy = Mathf.Abs(delta.y);
if (dx > dy) use = true;
else if (dx < dy) nouse = true;
}
if (use) {
pp = eventData.position;
eventData.Use();
}
}
public void OnEndDrag(PointerEventData eventData) {
if (!nouse) {
SetValueFromPos(eventData.position);
OnIdle();
eventData.Use();
use = false;
}
nouse = false;
}
public void OnPointerClick(PointerEventData eventData) {
SetValueFromPos(eventData.position);
eventData.Use();
}
float GetRatioFromPos(Vector2 pos) {
Vector2 lp;
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(m_handleArea, pos, cam, out lp)) {
lp -= m_handleArea.rect.position;
return Mathf.Clamp01(lp.x / m_handleArea.rect.width);
}
return float.NegativeInfinity;
}
void SetValueFromPos(Vector2 pos) {
double min = double.NegativeInfinity, max = double.PositiveInfinity;
if (Range != null && Range.Length == 2) {
min = (double)Range[0];
max = (double)Range[1];
}
double ratio = GetRatioFromPos(pos);
double result = GetValue(ratio, Time.deltaTime, min, max);
if (result < min) result = min;
else if (result > max) result = max;
RawValue = result;
}
protected abstract double GetValue(double ratio, float deltaTime, double min, double max);
protected void SetRatio(float ratio) {
m_handle.rectTransform.anchorMin = new Vector2(ratio, m_handle.rectTransform.anchorMin.y);
m_handle.rectTransform.anchorMax = new Vector2(ratio, m_handle.rectTransform.anchorMax.y);
m_handle.rectTransform.anchoredPosition = Vector2.zero;
}
}
}